...学论文网 细胞间隙K+浓度突然升高,神经细胞死亡,由此提出了坏死核心区(infarcted core, IC)和缺血半暗带(ischemia penumbra, IP)的概念,并且认为缺血核心区是不可逆损害,而细胞功能停止但结构完整的半暗带区是可逆损伤区.
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文章就脑出血后的血肿变化和缺血半暗带、脑水肿和纤溶亢进以及血管淀粉样变等进行了综述。
The article reviews the changes of hematoma and ischemic penumbra, brain edema, hyperfibrinolysis after cerebral hemorrhage, and as well as amyloid angiopathy.
新的影像学技术有助于判断缺血半暗带和选择适合溶栓的病例。
New imaging techniques are helpful in identifying ischemic penumbra and the selection of patients for thrombolytic therapy.
目的探讨磁共振扩散加权成像(DWI)和灌注加权成像(PWI)对早期脑梗死缺血半暗带(IP)的诊断价值。
Objective To explore the value of diffusion weighed imaging (DWI) and perfusion weighted imaging (PWI) in the diagnosis of the ischemic penumbra (IP) of superacute infarction.
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